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- // Copyright David Abrahams 2002.
- // Distributed under the Boost Software License, Version 1.0. (See
- // accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- #ifndef BOOST_CONFIG_WORKAROUND_HPP
- #define BOOST_CONFIG_WORKAROUND_HPP
- // Compiler/library version workaround macro
- //
- // Usage:
- //
- // #if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
- // // workaround for eVC4 and VC6
- // ... // workaround code here
- // #endif
- //
- // When BOOST_STRICT_CONFIG is defined, expands to 0. Otherwise, the
- // first argument must be undefined or expand to a numeric
- // value. The above expands to:
- //
- // (BOOST_MSVC) != 0 && (BOOST_MSVC) < 1300
- //
- // When used for workarounds that apply to the latest known version
- // and all earlier versions of a compiler, the following convention
- // should be observed:
- //
- // #if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1301))
- //
- // The version number in this case corresponds to the last version in
- // which the workaround was known to have been required. When
- // BOOST_DETECT_OUTDATED_WORKAROUNDS is not the defined, the macro
- // BOOST_TESTED_AT(x) expands to "!= 0", which effectively activates
- // the workaround for any version of the compiler. When
- // BOOST_DETECT_OUTDATED_WORKAROUNDS is defined, a compiler warning or
- // error will be issued if the compiler version exceeds the argument
- // to BOOST_TESTED_AT(). This can be used to locate workarounds which
- // may be obsoleted by newer versions.
- #ifndef BOOST_STRICT_CONFIG
- #include <boost/config.hpp>
- #ifndef __BORLANDC__
- #define __BORLANDC___WORKAROUND_GUARD 1
- #else
- #define __BORLANDC___WORKAROUND_GUARD 0
- #endif
- #ifndef __CODEGEARC__
- #define __CODEGEARC___WORKAROUND_GUARD 1
- #else
- #define __CODEGEARC___WORKAROUND_GUARD 0
- #endif
- #ifndef BOOST_BORLANDC
- #define BOOST_BORLANDC_WORKAROUND_GUARD 1
- #else
- #define BOOST_BORLANDC_WORKAROUND_GUARD 0
- #endif
- #ifndef BOOST_CODEGEARC
- #define BOOST_CODEGEARC_WORKAROUND_GUARD 1
- #else
- #define BOOST_CODEGEARC_WORKAROUND_GUARD 0
- #endif
- #ifndef BOOST_EMBTC
- #define BOOST_EMBTC_WORKAROUND_GUARD 1
- #else
- #define BOOST_EMBTC_WORKAROUND_GUARD 0
- #endif
- #ifndef _MSC_VER
- #define _MSC_VER_WORKAROUND_GUARD 1
- #else
- #define _MSC_VER_WORKAROUND_GUARD 0
- #endif
- #ifndef _MSC_FULL_VER
- #define _MSC_FULL_VER_WORKAROUND_GUARD 1
- #else
- #define _MSC_FULL_VER_WORKAROUND_GUARD 0
- #endif
- #ifndef BOOST_MSVC
- #define BOOST_MSVC_WORKAROUND_GUARD 1
- #else
- #define BOOST_MSVC_WORKAROUND_GUARD 0
- #endif
- #ifndef BOOST_MSVC_FULL_VER
- #define BOOST_MSVC_FULL_VER_WORKAROUND_GUARD 1
- #else
- #define BOOST_MSVC_FULL_VER_WORKAROUND_GUARD 0
- #endif
- #ifndef __GNUC__
- #define __GNUC___WORKAROUND_GUARD 1
- #else
- #define __GNUC___WORKAROUND_GUARD 0
- #endif
- #ifndef __GNUC_MINOR__
- #define __GNUC_MINOR___WORKAROUND_GUARD 1
- #else
- #define __GNUC_MINOR___WORKAROUND_GUARD 0
- #endif
- #ifndef __GNUC_PATCHLEVEL__
- #define __GNUC_PATCHLEVEL___WORKAROUND_GUARD 1
- #else
- #define __GNUC_PATCHLEVEL___WORKAROUND_GUARD 0
- #endif
- #ifndef BOOST_GCC
- #define BOOST_GCC_WORKAROUND_GUARD 1
- #define BOOST_GCC_VERSION_WORKAROUND_GUARD 1
- #else
- #define BOOST_GCC_WORKAROUND_GUARD 0
- #define BOOST_GCC_VERSION_WORKAROUND_GUARD 0
- #endif
- #ifndef BOOST_XLCPP_ZOS
- #define BOOST_XLCPP_ZOS_WORKAROUND_GUARD 1
- #else
- #define BOOST_XLCPP_ZOS_WORKAROUND_GUARD 0
- #endif
- #ifndef __IBMCPP__
- #define __IBMCPP___WORKAROUND_GUARD 1
- #else
- #define __IBMCPP___WORKAROUND_GUARD 0
- #endif
- #ifndef __SUNPRO_CC
- #define __SUNPRO_CC_WORKAROUND_GUARD 1
- #else
- #define __SUNPRO_CC_WORKAROUND_GUARD 0
- #endif
- #ifndef __DECCXX_VER
- #define __DECCXX_VER_WORKAROUND_GUARD 1
- #else
- #define __DECCXX_VER_WORKAROUND_GUARD 0
- #endif
- #ifndef __MWERKS__
- #define __MWERKS___WORKAROUND_GUARD 1
- #else
- #define __MWERKS___WORKAROUND_GUARD 0
- #endif
- #ifndef __EDG__
- #define __EDG___WORKAROUND_GUARD 1
- #else
- #define __EDG___WORKAROUND_GUARD 0
- #endif
- #ifndef __EDG_VERSION__
- #define __EDG_VERSION___WORKAROUND_GUARD 1
- #else
- #define __EDG_VERSION___WORKAROUND_GUARD 0
- #endif
- #ifndef __HP_aCC
- #define __HP_aCC_WORKAROUND_GUARD 1
- #else
- #define __HP_aCC_WORKAROUND_GUARD 0
- #endif
- #ifndef __hpxstd98
- #define __hpxstd98_WORKAROUND_GUARD 1
- #else
- #define __hpxstd98_WORKAROUND_GUARD 0
- #endif
- #ifndef _CRAYC
- #define _CRAYC_WORKAROUND_GUARD 1
- #else
- #define _CRAYC_WORKAROUND_GUARD 0
- #endif
- #ifndef __DMC__
- #define __DMC___WORKAROUND_GUARD 1
- #else
- #define __DMC___WORKAROUND_GUARD 0
- #endif
- #ifndef MPW_CPLUS
- #define MPW_CPLUS_WORKAROUND_GUARD 1
- #else
- #define MPW_CPLUS_WORKAROUND_GUARD 0
- #endif
- #ifndef __COMO__
- #define __COMO___WORKAROUND_GUARD 1
- #else
- #define __COMO___WORKAROUND_GUARD 0
- #endif
- #ifndef __COMO_VERSION__
- #define __COMO_VERSION___WORKAROUND_GUARD 1
- #else
- #define __COMO_VERSION___WORKAROUND_GUARD 0
- #endif
- #ifndef __INTEL_COMPILER
- #define __INTEL_COMPILER_WORKAROUND_GUARD 1
- #else
- #define __INTEL_COMPILER_WORKAROUND_GUARD 0
- #endif
- #ifndef __ICL
- #define __ICL_WORKAROUND_GUARD 1
- #else
- #define __ICL_WORKAROUND_GUARD 0
- #endif
- #ifndef _COMPILER_VERSION
- #define _COMPILER_VERSION_WORKAROUND_GUARD 1
- #else
- #define _COMPILER_VERSION_WORKAROUND_GUARD 0
- #endif
- #ifndef __clang_major__
- #define __clang_major___WORKAROUND_GUARD 1
- #else
- #define __clang_major___WORKAROUND_GUARD 0
- #endif
- #ifndef _RWSTD_VER
- #define _RWSTD_VER_WORKAROUND_GUARD 1
- #else
- #define _RWSTD_VER_WORKAROUND_GUARD 0
- #endif
- #ifndef BOOST_RWSTD_VER
- #define BOOST_RWSTD_VER_WORKAROUND_GUARD 1
- #else
- #define BOOST_RWSTD_VER_WORKAROUND_GUARD 0
- #endif
- #ifndef __GLIBCPP__
- #define __GLIBCPP___WORKAROUND_GUARD 1
- #else
- #define __GLIBCPP___WORKAROUND_GUARD 0
- #endif
- #ifndef _GLIBCXX_USE_C99_FP_MACROS_DYNAMIC
- #define _GLIBCXX_USE_C99_FP_MACROS_DYNAMIC_WORKAROUND_GUARD 1
- #else
- #define _GLIBCXX_USE_C99_FP_MACROS_DYNAMIC_WORKAROUND_GUARD 0
- #endif
- #ifndef __SGI_STL_PORT
- #define __SGI_STL_PORT_WORKAROUND_GUARD 1
- #else
- #define __SGI_STL_PORT_WORKAROUND_GUARD 0
- #endif
- #ifndef _STLPORT_VERSION
- #define _STLPORT_VERSION_WORKAROUND_GUARD 1
- #else
- #define _STLPORT_VERSION_WORKAROUND_GUARD 0
- #endif
- #ifndef __LIBCOMO_VERSION__
- #define __LIBCOMO_VERSION___WORKAROUND_GUARD 1
- #else
- #define __LIBCOMO_VERSION___WORKAROUND_GUARD 0
- #endif
- #ifndef _CPPLIB_VER
- #define _CPPLIB_VER_WORKAROUND_GUARD 1
- #else
- #define _CPPLIB_VER_WORKAROUND_GUARD 0
- #endif
- #ifndef BOOST_INTEL_CXX_VERSION
- #define BOOST_INTEL_CXX_VERSION_WORKAROUND_GUARD 1
- #else
- #define BOOST_INTEL_CXX_VERSION_WORKAROUND_GUARD 0
- #endif
- #ifndef BOOST_INTEL_WIN
- #define BOOST_INTEL_WIN_WORKAROUND_GUARD 1
- #else
- #define BOOST_INTEL_WIN_WORKAROUND_GUARD 0
- #endif
- #ifndef BOOST_DINKUMWARE_STDLIB
- #define BOOST_DINKUMWARE_STDLIB_WORKAROUND_GUARD 1
- #else
- #define BOOST_DINKUMWARE_STDLIB_WORKAROUND_GUARD 0
- #endif
- #ifndef BOOST_INTEL
- #define BOOST_INTEL_WORKAROUND_GUARD 1
- #else
- #define BOOST_INTEL_WORKAROUND_GUARD 0
- #endif
- #ifndef BOOST_CLANG_VERSION
- #define BOOST_CLANG_VERSION_WORKAROUND_GUARD 1
- #else
- #define BOOST_CLANG_VERSION_WORKAROUND_GUARD 0
- #endif
- // Always define to zero, if it's used it'll be defined my MPL:
- #define BOOST_MPL_CFG_GCC_WORKAROUND_GUARD 0
- #define BOOST_WORKAROUND(symbol, test) \
- ((symbol ## _WORKAROUND_GUARD + 0 == 0) && \
- (symbol != 0) && (1 % (( (symbol test) ) + 1)))
- // ^ ^ ^ ^
- // The extra level of parenthesis nesting above, along with the
- // BOOST_OPEN_PAREN indirection below, is required to satisfy the
- // broken preprocessor in MWCW 8.3 and earlier.
- //
- // The basic mechanism works as follows:
- // (symbol test) + 1 => if (symbol test) then 2 else 1
- // 1 % ((symbol test) + 1) => if (symbol test) then 1 else 0
- //
- // The complication with % is for cooperation with BOOST_TESTED_AT().
- // When "test" is BOOST_TESTED_AT(x) and
- // BOOST_DETECT_OUTDATED_WORKAROUNDS is #defined,
- //
- // symbol test => if (symbol <= x) then 1 else -1
- // (symbol test) + 1 => if (symbol <= x) then 2 else 0
- // 1 % ((symbol test) + 1) => if (symbol <= x) then 1 else divide-by-zero
- //
- #ifdef BOOST_DETECT_OUTDATED_WORKAROUNDS
- # define BOOST_OPEN_PAREN (
- # define BOOST_TESTED_AT(value) > value) ?(-1): BOOST_OPEN_PAREN 1
- #else
- # define BOOST_TESTED_AT(value) != ((value)-(value))
- #endif
- #else
- #define BOOST_WORKAROUND(symbol, test) 0
- #endif
- #endif // BOOST_CONFIG_WORKAROUND_HPP
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